Scott W. Paisley writes >
> Greg wrote:
>
> > This job is really easy. Remember, you can get added life out of a
> > ring gear whose teeth are mostly worn out by rotating the ring gear with
> > respect to the flywheel, 90 degrees for a 4-cyl, 60 deg for a 6-cyl.
>
> How can this be? The starter engages the flywheel where ever the
> engine stops.
Apparently a four-banger with a flat crankshaft tends to always come to
rest in one of the same two places when it is stopped. I imagine this
to be due to the compression forces.
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